Tuesday, January 17, 2012

DIN VDE 0470 PART 1 /EN 60529 / IEC 529

IPXX

X First Digit: This indicates the degree of protection of persons against contact with, or approach to,hazardous internal components, and protection of the equipment against ingress of solidforeign bodies and dust.

X Second Digit: This indicates the degree of protection of the equipment inside the enclosure from ingressof water.

1stDigit

Protection

Explanation

0

No protection

-

1

Protection against largeforeign bodies

Protection of persons from accidental large area directcontact with active or internal moving parts (e.g. handcontact), nut no guarding against intentional access to suchparts.Protection of the object from access of solid foreign matterlarger than Ø50mm.

2

Protection againstmedium-size foreignbodies

Protection of persons from finger contact with activeor internal moving parts.Protection of the object from access of solid foreign matterlarger than Ø12mm.

3

Protection against smallforeign bodies

Protection of persons from contact with active or internalmoving parts with tools, wires or similar foreign matterthicker than Ø2.5mm.Protection of the object from access of solid foreign matterlarger than Ø2.5mm.

4

Protection againstgranular foreign bodies

Protection of persons from contact with active or internalmoving parts with tools, wires or similar foreign matterthicker than > than Ø1mm.

5

Protection againstdeposits of dust

Total protection of persons from contact with voltagecarrying or internal moving parts.Protection of the object from harmful deposits of dust.Ingress of dust is not completely prevented, but dust isprevented from entering in a quantity that would impairthe functioning of the object.

6

Protection againstingress of dust

Total protection of persons from contact with voltagecarrying or internal moving parts.Protection of the object from ingress of dust.

2ndDigit

Protection

Explanation

0

No protection

-

1

Protection against waterdripping vertically

Water drops falling vertically must not have any harmfuleffect.

2

Protection against waterdripping up to 15°

Water drops falling at any angle up to 15° from verticalmust not have any harmful effect.

3

Protection against spraywater

Water hitting the object at any angle up to 60° fromvertical must not have any harmful effect.

4

Protection against splashwater

Water splashing against the object from all directionsmust not have any harmful effect.

5

Protection against jetwater

A jet of water nozzeled against the object from all directions must not have any harmful effect.

6

Protection againstflooding

Water of temporary flooding, as in heavy seas, must notenter the object in any harmful quantity.

7

Protection against dippedstate

If the object is dipped into water (150mm to 1000mm),under the defined conditions of pressure and time, watermust not enter the object in any harmful quantity.

8

Protection duringsubmerged state

If the object is submerged in water under defined extremeconditions, water must not enter the object in anyharmful quantity.